参数资料
| 型号： | LT450C |
| 厂商： | Littelfuse Inc |
| 文件页数： | 2/2页 |
| 文件大小： | 0K |
| 描述： | GAS TRIGGER TUBE 450V CORE |
| 标准包装： | 1,000 |
| 系列： | LT |
| 电压 - DC 击穿（标称值）： | 450V |
| 极数： | 2 |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 2-SMD圆柱形方端头 |
| 包装： | 管件 |
Switching Gas Discharge Tubes
Gas Plasma Voltage Dependent Switches
RoHS
LT Series
Device Ratings and Specifications
Part
Number
LT230
LT800
VBO(1)
(V)
195 –265
680 – 920
VS
(V)
184 – 276
640 - 960
VT
@ 5A
(V)
15
15
IDRM (2)
(A)
1.0
1.0
IBO (3)
(mA)
50
50
CO (4)
(pF)
2.0
2.0
VBO to VT
(nS)
25
25
7
Electrical Life:
Switching Cycles (5) ………………………………………………………… 400,000
Peak Discharge Current (5) ………………………………………………………. 400 A
Maximum Ratings:
Max Switching Frequency ………………………………………………………. 100 Hz
Storage Temperature TSTG ……………………………………………………… -40 - +150?C
Operating Temperature
……………………………………………………… -40 - +150?C
Notes:
(1) Measured on recommended test circuit (fig 1.)
(2) Measured @ 100 Volts DC
(3) Current required for transition to on-state
(4) Measured @ 1 MHz, zero Volt bias
(5) Measured on recommended test circuit (fig 2.)
Definitions:
VBO – Breakover Voltage
VS – Switching Voltage
VT @ 5A – Nominal Off-state Voltage at 5A
IDRM – Off-state Current
IBO – Nominal Breakover Current
Co - Max Capacitance
VBO to VT – Max switching time from VBO to VT
51K ?
20K ?
V
O.C. DC voltage =1000
P.V.D.
V
1000Vdc
0.4 μ H
0.22 μ F
LT device
Fig 1 . Recommended breakover voltage test circuit
(Discharge current = 10-20mA, sensitivity of
Peak Voltage Detect = 10-30mA)
w w w. l i t t e l f u s e . c o m
330nF
Fig 2. Recommended Life Circuit
LT device
317
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